Path traversal in Icinga Web 2

Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Unauthenticated users can leak the contents of files of the local system accessible to the web-server user, including icingaweb2 configuration files with database credentials. This issue has been resolved in versions 2.9.6 and 2.10 of Icinga Web 2. Database credentials should be rotated.